50分求助

chenyyegg @ 2023-11-19 17:03:34

#include<bits/stdc++.h>
using namespace std;
double a[305],big,small=1000,ave,dif,sum;
int n;
int main(){
    cin>>n;
    for(int i=1;i<=n;i++)cin>>a[i];
    for(int j=1;j<=n;j++)
        {sum+=a[j];
        if(a[j]>big)big=a[j];
        if(a[j]<small)small=a[j];}
    sum-=(big+small);
    ave=sum/(n-2);
    for(int k=1;k<=n;k++)
        {if(a[k]==big||a[k]==small)continue;
        if(fabs(a[k]-ave)>dif)dif=fabs(a[k]-ave);}
    printf("%.2f %.2f",ave,dif);
    return 0;
}

by 120229xhj @ 2023-11-23 15:10:58

#include<stdio.h>
#include<math.h>
int main()
{
    int n;
    scanf("%d",&n);
    // 防止越界
    double arr[310];
    double maxx = -1,minn = 10000;
    // 标记变量
    int maxIndex = 0,minIndex = 0;
    // 初始化和 计算平均值 
    double sum = 0; 
    for(int i = 0;i<n;i++){
        // 录入数据 
        scanf("%lf",&arr[i]);
        sum+=arr[i];
        // 更新最值 
        maxx = maxx>arr[i]?maxx:arr[i];
        // 更新索引
        maxIndex = maxx>arr[i]?maxIndex:i;
        minn = minn<arr[i]?minn:arr[i];
        minIndex = minn<arr[i]?minIndex:i;
    }
    // 减去最值
    double average = (sum-minn-maxx)/(n-2);
    // 找到最大误差
    double dis = -1;
    for(int i = 0;i<n;i++){
        if(i!=maxIndex&&i!=minIndex){
            if(dis<fabs(arr[i]-average)) dis = fabs(arr[i]-average);
        }
    }
    printf("%.2f %.2f",average,dis); 
    return 0;

by chenyyegg @ 2023-11-26 09:42:51

@120229xhj 谢大佬帮助，已关注

by 120229xhj @ 2023-11-29 19:20:01

没事（我才一个新手），技术不高，只是刚好会，我考到17级

by 120229xhj @ 2023-11-29 19:21:17

弱弱地问一句：能加入我的团队吗？